Is the sun in the north when viewed from the Southern Hemisphere?

Extreme! Only 3.6 millimeters per second slower than light—could we surpass the speed of light in th

lilunkexue

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Man speed bump!! A satisfying job site~

jixiepangke

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They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

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How to make a Poo-Po-Po boat for Sosuke and Ponyo?

lilunkexue

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Those super cool mechanical series of speed bumps~

jixiepangke

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A planet with gravity hundreds of times stronger than Earth—just look, the bottle the man threw was

xiyinxi

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

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Today's stress-relief video!! Worker series ~2.10

jixiepangke

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Decompression video of the workers series!

jixiepangke

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Today's stress-relieving video: an awesome mechanical series~

jixiepangke

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I advise you to quit porn (enlarging testicles)

xuetudexin-

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The Day the Earth Stood Still: The military researched alien machines and did not want something to

leshik___uchang

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Totally useless life hacks!!

jixiepangke

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Let's take a look at the satisfying workplace of skilled workers!

jixiepangke

50 Views

Skilled workers at a satisfying job site~

jixiepangke

23 Views

This is our Earth, but after drawing it 24 times with AI

molingbatianyi

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How strong is the force of regular CPR? I feel like my ribs are going to break in the next second.

palmer_collins_03

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The man as a speed bump: the skilled worker

yaki1

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Major吐槽 of "Lost in the Stars"! Don't believe anything about diving in this movie!!!

dearsirenxiaohaiyao

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Spoon/fork: If I had known this was a bad factory

xiaokechibaobao

44 Views